Conforce valve

Details Conforce valve Conforce valve

1996-10-30

1998-03-31

Ferensic, Denise L.

Fluid handling

Line condition change responsive valves

Direct response valves

137522, 137563, F16K 1500, F16K 2104, F16K 1700

Patent

active

057327378

ABSTRACT:
A pressure responsive check valve designed to quickly close in response to a drop in pressure below a pre-determined level. When used at the top of a fluid filled tank such as one used for heating oil, the valve prevents tank syphon by stopping fluid flow at the tank in the case of breakage of supply or return lines, The valve is contained in a pre-assembled unit for ease of installation.

REFERENCES:
patent: 2013232 (1935-09-01), Bridenbaugh
patent: 2470471 (1949-05-01), Carleton
patent: 2967541 (1961-01-01), Norway et al.
patent: 3382886 (1968-05-01), Hesselmann
patent: 3687159 (1972-08-01), Schlor et al.
patent: 4790289 (1988-12-01), Barrett
patent: 5390809 (1995-02-01), Lin
patent: 5601114 (1997-02-01), Hummel

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